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Finding the Fourth Proportional to 385,270.80, 577,733.40 and 174,800.40

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Solution

The fourth proportional to 385,270.80, 577,733.40 and 174,800.40 is: 262,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,270.80 : 577,733.40 = 174,800.40 : x
  2. Step 2: Convert to fraction form
    385,270.80/577,733.40 = 174,800.40/x
  3. Step 3: Cross multiply
    385,270.80x = 577,733.40 × 174,800.40
  4. Step 4: Simplify right side
    385,270.80x = 100,988,029,413.36
  5. Step 5: Solve for x
    x = 100,988,029,413.36/385,270.80
  6. Step 6: Final answer
    x = 262,122.20

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